Home / 20,183,256,017.80-30,274,884,026.70-11,918,285,585.80

Finding the Fourth Proportional to 20,183,256,017.80, 30,274,884,026.70 and 11,918,285,585.80

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Solution

The fourth proportional to 20,183,256,017.80, 30,274,884,026.70 and 11,918,285,585.80 is: 17,877,428,378.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183,256,017.80 : 30,274,884,026.70 = 11,918,285,585.80 : x
  2. Step 2: Convert to fraction form
    20,183,256,017.80/30,274,884,026.70 = 11,918,285,585.80/x
  3. Step 3: Cross multiply
    20,183,256,017.80x = 30,274,884,026.70 × 11,918,285,585.80
  4. Step 4: Simplify right side
    20,183,256,017.80x = 360,824,713,907,185,254,400
  5. Step 5: Solve for x
    x = 360,824,713,907,185,254,400/20,183,256,017.80
  6. Step 6: Final answer
    x = 17,877,428,378.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.